1:Famke Janssen does indeed cameo In The Wolverine
2:We know X-Men;Days of future Past does Indeed follow X-Men the Last Stand(The future scenes)
3:He hinted at the mystical blade Indeed being In The Wolverine to hurt him(which gives us an Idea how Jean shows up.After being Injured by Blade It's possable wolverine hallunicates her just like how Liem Neeson appeared In DKR)